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Anatomy > Upper Limb part 1 > Flashcards

Upper Limb part 1 Flashcards

1
Q

What is the upper limb characterized by

A

mobility
ability to grasp
fine motor skills

** sacrifice stability for mobility

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2
Q

what are the segments of the upper limb

A

shoulder
arm
forearm
hand

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3
Q

What is the superior appendicular skeleton

A

the pectoral girdle and the upper limb

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4
Q

What is the pectoral girdle

A

the shoulder which includes the clavicle and scapula

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5
Q

what allows for motion of the upper limb

A

the icompleteness of the posterior because is it not connnected like the front is

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6
Q

what are the joints of the clavicle

A

sternoclavicular joint

acromioclavicular joint

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7
Q

what 4 muscles move the pectoral girdle

A

1 pectoralis major
2 pectoralis minor
3 subclavius
4 serratus anterior

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8
Q

what is the deltopectoral groove

A

this is between the pec major and the deltoid

contains the cephalic vein and superior to this groove is the deltopectoral triangle

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9
Q

what is a test to see if the nerves to the serratus anterior are working ( long thoracic )

A

by having someone push up against the wall to see the right winged scapula

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10
Q

What are posterior axioappendicular mm.

A

they attach the superior appendicular skeleton tot he axial skeleton

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11
Q

what are the posterior should muscles

A

1 superficial posterior axioappendicular mm.
2 deep posterior axioappendicular mm.
3 scapulohumeral posterior axioappendicular mm.

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12
Q

What are the superficial posterior axioappendicular mm.

A

traps, lats

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13
Q

What are the deep posterior axioappendicular mm.

A

levator scapulae and rhomboids

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14
Q

What are the scapulohumeral posterior axioappendicular mm.

A

deltoid, supraspinatus, infraspinatus, teres minor, teres major, subscapularis

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15
Q

superficial posterior axioappendicular the traps

A

attaches pec girdle to the skull and vertebral column and assist in suspending the upper limb
– weakness in the muscle results in drooping shoulders

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16
Q

superficial posterior axioappendicular the lats

A

inserting tendon twists so fiber originating highest insert lowest
– when paralyzed unable to rise trunk as in chinning

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17
Q

what are the rotator cuff muscles

A

supraspinatus
infraspinatus
teres minor
subscapularis

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18
Q

what is the rotator cuff m. job

A

reinforce the capsule of the shoulder joint to prevent dislocation fo the humerus

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19
Q

when does the middle delt start abducting

A

this will happen after about 30 degree which is when the angle of pull is parallel to the humerus. so the supraspnatus does the earlier stages

20
Q

why is the teres major a landmark

A

this is because the axillary a move through the m. and after it does it is called the brachial artery

21
Q

What is pecoral fascia

A

invests pectoralis major continuous with abdominal fascia

22
Q

what is axillary fascia

A

helps form the floor of the axilla

23
Q

what is clavipectoral

A

encloses subclavius and pec minor

24
Q

what is the costocoracoid membrane

A

this is part of the clavipectoral

– it occupies the interval between the pec minor and subclavius, and protects the axillary vessels and nerves

25
Q

what is the suspensory ligament of axilla

A

this is part of the clavipectoral

– connects pec minor to axillary fascia and indirectly connecting clavopectoral fascia to axillary fascia

26
Q

what is antebrachal

A

this contains..
extensor retinaculum
flexor retinaculum
palmar aponeurosis

27
Q

What are the deep fascia

A 
pectoral
axillary 
clavpectoral
deltoid
brachrial ( ant and posterior ) 
antebrachial
28
Q

What is in the antebrachial fascia

A
  • palmar carpal ligament
  • flexor retinaculum
  • palmar aponeurosis
  • extensor retinaculum
29
Q

what is the axilla

A

this is the armpit which is a fat filled pyramindal space lateral to the thoracic wall and anterior to scapula

30
Q

what are the borders of the axilla

A

apex- cervicoaxillary canal
base- skin
anterior wall- pec M/m w/ pec and clavipectoral fascia
posteiror- scapula and subscap
medial- thoracic wall
lateral - boney wall of intertubercular groove

31
Q

what are the 2 spaces in the axilla

A
  • quadrangular space
  • triangular space

** which are formed by the 3 T’s triceps, teres M/m

32
Q

what is found in the quadrangular space of the axilla

A

posterior circumflex humeral a

axillary nerve that wraps aroudn surgical neck of the humerus

33
Q

what is found in the triangular space of the axilla

A

circumflex scapular artery the branch of the

subscapular

34
Q

What can be found in the axilla

A 
axillary arteries and branches
axillary veins and branches 
axillary lymph nodes
axillary vessesl 
and ...
cords of the branches of the brachial plexus
35
Q

where does the axillary artery begin

A

at later border of 1st rib

36
Q

where does the axillary artery stop

A

at inferior border of teres major then become the brachail a

37
Q

what are the parts of the axillary artery

A

part 1 - btwn lateral border of 1st rib an the medial border of the pe minor

part 2- posterior to pec minor

part 3- from the lateral border of pec minor to inferir border of teres major

38
Q

what is in the 1 part of the axillary artery

A

superior thoracic a

– supplies primarily the 1st and 2nd intercostal spaces

39
Q

what is in the 2nd part of the axillary artery

A

1 thoracoacromial a

2 lateral thoracic a

40
Q

what is found in the thoracoacrominal a of the 2nd part of the axillary artery

A
  • acromial a – supplies delts
  • deltoid a– supplies pec major and detls
  • pectoral a – supplies both pecs
  • clavicular a- sternoclavicular joint and subclavius m
41
Q

what is found in the lateral thoracic a of the 2nd part of the axillary artery

A

supplies primarly serratus anterior, fascia of anterolateral wall, lateral brest and axillary lymp nodes

** can also come from the thoracromial a, 3rd part of axillary, suprascapular , subscapular

42
Q

what is in the 3rd part of the axillary artery

A

1 subscapular a
2 anterior circumflex humeral a
3 posterior circumflex humeral a

43
Q

What does the sbscapular a divide into from the 3rd part of the axillary artery

A

1 circumflex scapular a- teres M/ and infraspinatus mm.

2 thoracodorsal a - lats and runs with n

44
Q

where does the axillary vein begin

A

at inferior border of teres major at the union of the basilic and brachail veins

45
Q

where does the axillary vein end

A

later border of the 1st rib where it become the subclavina vein
** and it will receive a lot from the cephalic vein

46
Q

what is made up of the brachial plexus

A 
roots
trunks
divisions
cords
branches

Anatomy (18 decks)

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